Drilldown: Patents

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Patents > Office: CH & Number of claims: 4-9 & Number of figures: 6-9

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frame (5) · Airplane (5) · design (5) · Propellers (4) · LTA (4) · subsystem (4) · propulsion (3) · rudder (3) · stability (3) · HTA (3) · propeller (3) · flapping (3)
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